sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Pattern Recognition in Information Systems | *** |
| Peace Region Internet Society | *** |
| Pre Registration Information Seminar | *** |
| Puerto Rico International Speedway | *** |
| Providence Risk Insurance Services | ** |
| Pediatric Research in Inpatient Settings | ** |
| Parkeer Route Informatie Systeem | ** |
| Postgraduate Research Institute for Sedimentology | ** |
| Peace River Internet Society | ** |
| Power and Information System | * |
| Plastics and Rubber Institute of Singapore | * |
| Parallel Reduced Instruction Set | * |
| Plan Review Information Sheets | * |
| Portable Reuseable Integrated Software nodules | * |
| PRoperties of Irradiated Stainless steels for predicting lifetime of nuclear power plant components | * |